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Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
Roddie Haley ran 59.82 i in Oklahoma City on 15 March 1986, but this time was rejected as a record due to an incorrectly measured track. Haley also ran a 59.90 i in Oklahoma City on 14 March 1987, but this time was rejected as a record for the same reason.
10.88 (+2.0 m/s) Marlies Oelsner East Germany 1 July 1977 Dresden, East Germany 19 years, 102 days 10.75 (+1.6 m/s) Sha'Carri Richardson United States 8 June 2019 NCAA Division I Championships: Austin, United States 19 years, 75 days [46] 200 m: 21.81 (+0.8 m/s) Christine Mboma Namibia 3 August 2021 Olympic Games: Tokyo, Japan 18 years, 73 days
When Valery Muratov skated 38.99 six days later, it was automatically timed and since – when disregarding the hundredths of a second – the result was the same as the time set by Börjes, it was recognised as a world record. Muratov's world record stood for only one day, because Börjes skated 38.87 the following day.
The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; [2] the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero. Speed is the magnitude of velocity (a vector), which indicates additionally the direction of ...
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Cases of norovirus, a.k.a. the stomach bug, are surging in the U.S. right now. There is no specific medication to treat norovirus. Doctors share tips for feeling better, sooner. The U.S. is seeing ...
Not all military bases have a running track, and tracking soldiers' laps and positions after 12 minutes is difficult. Testing is easier to administer when the distance is fixed and the finishing time measured. In his original book, Cooper also provided an alternate version of the test, based on the time to complete a 1.5 mile run. [1]